PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The process requires a strong oxidizing agent such as potassium permanganate, potassium dichromate or other agents containing Cr(VI).
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org